§ 6611.
([Aug. 16, 1954, ch. 736], [68A Stat. 819]; [Pub. L. 85–866, title I], §§ 42(b), 83(b), (c), Sept. 2, 1958, [72 Stat. 1640], 1664; [Pub. L. 87–834, § 2(e)(4)], Oct. 16, 1962, [76 Stat. 972]; [Pub. L. 88–571, § 3(e)], Sept. 2, 1964, [78 Stat. 858]; [Pub. L. 89–721, § 1(a)], Nov. 2, 1966, [80 Stat. 1150]; [Pub. L. 90–225, § 2(f)], Dec. 27, 1967, [81 Stat. 732]; [Pub. L. 91–172, title V, § 512(e)(4)], Dec. 30, 1969, [83 Stat. 641]; [Pub. L. 92–178, title VI, § 601(d)(4)], Dec. 10, 1971, [85 Stat. 559]; [Pub. L. 93–17, § 3(i)(2)], Apr. 10, 1973, [87 Stat. 19]; [Pub. L. 93–625, § 7(a)(2)(C)], Jan. 3, 1975, [88 Stat. 2115]; [Pub. L. 94–455, title XIX, § 1904(b)(10)(A)(iv)], 1906(b)(13)(A), title XXI, § 2107(g)(2)(D), Oct. 4, 1976, [90 Stat. 1817], 1834, 1904; [Pub. L. 95–30, title II, § 202(d)(4)(D)],